Remove failed geometry tests

[ianthomas23]

Candidate fix for failed geometry tests to see if CI is happy with it.

Before this PR, I was experiencing failed geometry intersection tests such as when running

pytest spatialpandas/tests/geometry/algorithms/test_intersection.py::test_segment_intersects_point

This tests if a 2D point lies on a straight line segment or not. It tests the line one way, then the other, then compares the result with that obtained from shapely. For some small values, an example being a point that is 2e-17 from one of the end points of the line segment, the test fails.

The failure is not surprising. Our point on line test is not geometrically robust (https://en.wikipedia.org/wiki/Robust_geometric_computation) so it is not surprising that it cannot cope with some small floating point differences. We could make it geometrically robust by always performing the floating-point tests with the points sorted, but then we can't compare with shapely as evidently that is not geometrically robust either. Plus we'd have to improve all the other geometric tests that are somewhat harder than this, and accept a performance penalty.

So this PR avoids the problem by not running tests that our code is not designed to cope with. We are using hypothesis to manage these tests and allowing it to pick any floating point values in the range -1000 to 1000, and being the clever library that it is, eventually it finds the failure modes and concentrates on them. So here I am limiting the floating-point precision to 15 decimal places, which cures the problem for me locally but cannot be guaranteed to always work.

There are longer term issues of whether we need robust geometric tests and/or if comparison with shapely is a good idea or not.

[ianthomas23]

The remaining CI failures are all pyarrow related.

[ianthomas23]

Rebased on top of other fixes.

[ianthomas23]

I am merging this as it removes some of the CI failures.